diff --git a/solution/tc_project_app/POUs/MAIN.TcPOU b/solution/tc_project_app/POUs/MAIN.TcPOU
index 0b761a6..f650bbd 100644
--- a/solution/tc_project_app/POUs/MAIN.TcPOU
+++ b/solution/tc_project_app/POUs/MAIN.TcPOU
@@ -7,7 +7,7 @@ VAR
     afbAxes: ARRAY [1..GVL_APP.nAXIS_NUM] OF FB_Axis;
     afbPneumaticAxes: ARRAY [1..GVL_APP.nPNEUMATIC_AXIS_NUM] OF FB_PneumaticAxis;
     hmiAxisSelection: INT := 1; //Not possible to use local hmi variables for array indexes
-
+    hmiPneumaticAxisSelection: INT := 1;
 //Startup, Shutdown and UPS
     fbUPS: FB_S_UPS_CX51x0;
     eUpsMode: E_S_UPS_Mode := eSUPS_WrPersistData_Shutdown;